Finding the Fourth Proportional to 10,409,917.68, 14,366,135.40 and 5,763,702.72
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Solution
The fourth proportional to 10,409,917.68, 14,366,135.40 and 5,763,702.72 is: 7,954,158.35
Step by Step Solution
- Step 1: Write the proportion equation
10,409,917.68 : 14,366,135.40 = 5,763,702.72 : x - Step 2: Convert to fraction form
10,409,917.68/14,366,135.40 = 5,763,702.72/x - Step 3: Cross multiply
10,409,917.68x = 14,366,135.40 × 5,763,702.72 - Step 4: Simplify right side
10,409,917.68x = 82,802,133,680,868.28 - Step 5: Solve for x
x = 82,802,133,680,868.28/10,409,917.68 - Step 6: Final answer
x = 7,954,158.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.